11287695002231 has 2 divisors, whose sum is σ = 11287695002232. Its totient is φ = 11287695002230.

The previous prime is 11287695002149. The next prime is 11287695002249. The reversal of 11287695002231 is 13220059678211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11287695002231 is a prime.

It is a super-2 number, since 2×11287695002231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11287695002131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643847501115 + 5643847501116.

It is an arithmetic number, because the mean of its divisors is an integer number (5643847501116).

Almost surely, 2^{11287695002231} is an apocalyptic number.

11287695002231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287695002231 is an equidigital number, since it uses as much as digits as its factorization.

11287695002231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 11287695002231 in words is "eleven trillion, two hundred eighty-seven billion, six hundred ninety-five million, two thousand, two hundred thirty-one".